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AFL_IGNORE_PROBLEMS + library checks and documentation

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vanhauser-thc
2021-08-12 14:32:44 +02:00
parent 3c0e8528e3
commit c775f40ebf
9 changed files with 67 additions and 1 deletions
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14
src/afl-fuzz-stats.c
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@ -534,6 +534,20 @@ void show_stats(afl_state_t *afl) {
t_bytes = count_non_255_bytes(afl, afl->virgin_bits);
t_byte_ratio = ((double)t_bytes * 100) / afl->fsrv.real_map_size;
if (unlikely(t_bytes > afl->fsrv.real_map_size)) {
if (unlikely(!afl->afl_env.afl_ignore_problems)) {
FATAL(
"Incorrect fuzzing setup detected. Your target seems to have loaded "
"incorrectly instrumented shared libraries. If you use LTO mode "
"please see instrumentation/README.lto.md. To ignore this problem "
"and continue fuzzing just set 'AFL_IGNORE_PROBLEMS=1'.\n");
}
}
if (likely(t_bytes) && unlikely(afl->var_byte_count)) {
stab_ratio = 100 - (((double)afl->var_byte_count * 100) / t_bytes);